RecordedLocation.java

package models;

import java.util.Date;

import com.mongodb.BasicDBObject;

import models.TrackSession.Model;
import net.vz.mongodb.jackson.Id;
import net.vz.mongodb.jackson.JacksonDBCollection;
import net.vz.mongodb.jackson.MongoCollection;
import net.vz.mongodb.jackson.ObjectId;
import net.vz.mongodb.jackson.WriteResult;
import play.modules.mongodb.jackson.MongoDB;

//TODO: ensureIndex, indexes, query index in Mongo
@MongoCollection(name = "recorded_location")
public class RecordedLocation {

	public static JacksonDBCollection<RecordedLocation.Model, String> coll = MongoDB.getCollection("recorded_location", RecordedLocation.Model.class, String.class);
	
	public static class Model {
	
		@ObjectId
		@Id
		public String _id;
		
		@ObjectId
		public String sessionId;
		
		public Date startedAt;
		public Date lastActionAt;
		
		//TODO: separate domain, path
		public String location;
		
	}
	public static WriteResult<RecordedLocation.Model, String> save(Model ob) {
		WriteResult<RecordedLocation.Model, String> tmp = coll.save(ob); 
		coll.ensureIndex( new BasicDBObject("sessionId", 1) );
		coll.ensureIndex( new BasicDBObject("location", 1) );
		return tmp;
	}
	
	public static Long getDurationSeconds(Model ob) {
		return ( ( ob.lastActionAt.getTime() - ob.startedAt.getTime() ) / 1000 );
	}
	public static String getDuration(Model ob) {
		Long seconds = getDurationSeconds(ob);
		Long min = seconds / 60;
		Long leftSeconds = seconds % 60 ;
		return min+":"+leftSeconds;
	}
}